:root {
  --primary-color: #000000;          /* 纯黑 */
  --accent-color: #555555;           /* 深灰 */
  --bg-gradient-start: #ffffff;      /* 纯白 */
  --bg-gradient-end: #f5f5f5;        /* 浅灰 */
  --card-bg: rgba(0, 0, 0, 0.05);    /* 透明黑，弱化背景 */
  --text-primary: #000000;            /* 纯黑文字 */
  --text-secondary: #666666;          /* 中灰文字 */
  --success-color: #008000;           /* 绿色，提示成功 */
  --border-color: rgba(0, 0, 0, 0.1); /* 轻微黑色边框 */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', 'Microsoft YaHei', sans-serif;
  font-size: 13px;
  background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  padding: 20px;
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
}

.header {
  text-align: center;
  padding: 35px 20px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: none;  /* 去掉背景渐变叠加 */
}

.header h1 {
  font-family: 'Exo 2', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary-color);
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  text-shadow: none;
}

.header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.4;
}

.stats-container {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 25px 0 50px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px;
  min-width: 160px;
  text-align: center;
  backdrop-filter: none; /* 去除模糊效果 */
  box-shadow: none;
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  text-shadow: none;
}

.table-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 40px;
  backdrop-filter: none;
  box-shadow: none;
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
}

.table-card::before {
  content: none; /* 去掉顶部色条 */
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  flex-wrap: wrap;
  gap: 20px;
}

.table-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--primary-color);
}

.search-box {
  width: 280px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.03);
  color: var(--text-primary);
  padding: 6px 15px;
  font-size: 0.85rem;
}

.el-table {
  background: transparent !important;
  color: var(--text-primary) !important;
  border-radius: 10px;
  overflow: hidden;
  font-size: 0.8rem;
}

.el-table th {
  background: #e0e0e0 !important; /* 浅灰色表头 */
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  font-size: 0.85rem;
}

.el-table tr {
  background: transparent !important;
  transition: background-color 0.3s ease;
}

.el-table tr:hover td {
  background: #f0f0f0 !important;
}

.el-table td {
  border-bottom: 1px solid var(--border-color) !important;
  font-size: 0.8rem;
  background: transparent;
  padding: 8px 10px;
  color: var(--text-primary);
}

.el-table .el-table__row:nth-child(odd) {
  background: #fafafa !important; /* 极浅灰间隔 */
}

.email-cell {
  display: flex;
  align-items: center;
  gap: 6px;
}

.email-cell i {
  color: var(--accent-color);
  font-size: 1rem;
}

/* 分页样式 */
.pagination-container {
  display: flex;
  justify-content: center;
  margin-top: 25px;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
}

.el-pagination {
  color: var(--text-secondary) !important;
  font-size: 0.8rem !important;
}

.el-pagination button {
  color: var(--text-secondary) !important;
  background: transparent !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 8px !important;
  padding: 5px 12px !important;
}

.el-pagination .el-pager li {
  background: transparent !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-secondary) !important;
  border-radius: 8px !important;
  margin: 0 4px;
  padding: 4px 8px;
}

.el-pagination .el-pager li.active {
  background: var(--primary-color) !important;
  color: white !important;
  border: none !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .header h1 {
    font-size: 1.6rem;
  }
  
  .header p {
    font-size: 0.8rem;
  }
  
  .stats-container {
    flex-direction: column;
    align-items: center;
  }
  
  .stat-card {
    width: 100%;
    max-width: 320px;
  }
  
  .search-box {
    width: 100%;
  }
  
  .table-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .el-table .cell {
    font-size: 0.75rem;
  }
  
  .email-cell i {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 20px 15px;
  }
  
  .header h1 {
    font-size: 1.3rem;
  }
  
  .table-title {
    font-size: 1.2rem;
  }
  
  .el-table {
    font-size: 0.7rem;
  }
  
  .el-pagination {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .el-pagination .btn-prev,
  .el-pagination .btn-next {
    margin: 4px;
  }
}

/* 去除加载动画和光影效果 */
.loading-container {
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.sci-loader,
.sci-loader::before,
.sci-loader::after {
  display: none;
}

.loading-text {
  margin-top: 18px;
  color: var(--text-secondary);
  font-size: 1rem;
  text-align: center;
}

.glow {
  display: none;
}

.floating,
.floating-delay-1,
.floating-delay-2,
.floating-delay-3 {
  animation: none;
}

/* 响应式表格滚动 */
.responsive-table-container {
  overflow-x: auto;
}
